Evolution of Differentiation by William S. Bullough
1967. 206 pages. This is an ex-Library book. Green pictorial dust jacket over black cloth with gilt lettering. Pages are in good condition with a firm binding. Light tanning to endpapers and page edges. Boards are a little rub worn, slight shelf wear to corners, spine and edges. Corners are a little bumped. Spine ends are mildly crushed. Sunning to spine and edges. Light wear to unclipped dust jacket with tears, nicks and creases to spine, edge and corners. Tanning to spine and edges.